refactor

src/ascii_cmd.c

@@ -317,7 +317,7 @@ static void handle_level(char *arg, RDSModulator* mod, char* output) {
 
 static void handle_reset(char *arg, RDSModulator* mod, char* output) {
 	(void)arg;
-	loadFromFile(mod->enc);
+	encoder_loadFromFile(mod->enc);
 	for(int i = 0; i < PROGRAMS; i++) reset_rds_state(mod->enc, i);
 	Modulator_loadFromFile(&mod->params);
 	strcpy(output, "+");

src/ascii_cmd.h

@@ -1,6 +1,6 @@
 #include "common.h"
 #include "rds.h"
-#include "rds_fs.h"
+#include "fs.h"
 #include "modulator.h"
 #include "lib.h"
 #define CMD_BUFFER_SIZE	255

src/fs.c

@@ -1,6 +1,6 @@
-#include "rds_fs.h"
+#include "fs.h"
 
-void saveToFile(RDSEncoder *enc) {
+void encoder_saveToFile(RDSEncoder *enc) {
 	char encoderPath[128];
 	snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
 
@@ -32,7 +32,7 @@ void saveToFile(RDSEncoder *enc) {
 	fclose(file);
 }
 
-void loadFromFile(RDSEncoder *enc) {
+void encoder_loadFromFile(RDSEncoder *enc) {
 	char encoderPath[128];
 	snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
 
@@ -63,7 +63,7 @@ void loadFromFile(RDSEncoder *enc) {
 	enc->program = rdsEncoderfile.program;
 }
 
-int isFileSaved() {
+int encoder_saved() {
 	char encoderPath[128];
 	snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
 	FILE *file = fopen(encoderPath, "rb");
@@ -71,3 +71,76 @@ int isFileSaved() {
 	fclose(file);
 	return 1;
 }
+
+void Modulator_saveToFile(RDSModulatorParameters *emp) {
+	char modulatorPath[128];
+	snprintf(modulatorPath, sizeof(modulatorPath), "%s/.rdsModulator", getenv("HOME"));
+	FILE *file;
+	
+	RDSModulatorParameters tempMod;
+	RDSModulatorParametersFile tempFile;
+	memset(&tempFile, 0, sizeof(tempFile));
+	file = fopen(modulatorPath, "rb");
+	if (file != NULL) {
+		fread(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
+		fclose(file);
+	} else {
+		memset(&tempFile, 0, sizeof(RDSModulatorParametersFile));
+		tempFile.check = 160;
+		memcpy(&tempFile.params, emp, sizeof(RDSModulatorParameters));
+		tempFile.crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
+	}
+	memcpy(&tempMod, &tempFile.params, sizeof(RDSModulatorParameters));
+	
+	tempMod.level = emp->level;
+	tempMod.rdsgen = emp->rdsgen;
+
+	memcpy(&tempFile.params, &tempMod, sizeof(RDSModulatorParameters));
+	tempFile.check = 160;
+	tempFile.crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
+	
+	file = fopen(modulatorPath, "wb");
+	if (file == NULL) {
+		perror("Error opening file");
+		return;
+	}
+	fwrite(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
+	fclose(file);
+}
+
+void Modulator_loadFromFile(RDSModulatorParameters *emp) {
+	char modulatorPath[128];
+	snprintf(modulatorPath, sizeof(modulatorPath), "%s/.rdsModulator", getenv("HOME"));
+	FILE *file = fopen(modulatorPath, "rb");
+	if (file == NULL) {
+		perror("Error opening file");
+		return;
+	}
+	RDSModulatorParametersFile tempFile;
+	memset(&tempFile, 0, sizeof(tempFile));
+	fread(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
+	if (tempFile.check != 160) {
+		fprintf(stderr, "[RDSMODULATOR-FILE] Invalid file format\n");
+		fclose(file);
+		return;
+	}
+	uint16_t calculated_crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
+	if (calculated_crc != tempFile.crc) {
+		fprintf(stderr, "[RDSMODULATOR-FILE] CRC mismatch! Data may be corrupted\n");
+		fclose(file);
+		return;
+	}
+	memcpy(emp, &tempFile.params, sizeof(RDSModulatorParameters));
+	fclose(file);
+}
+
+int modulatorsaved() {
+	char encoderPath[128];
+	snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsModulator", getenv("HOME"));
+	FILE *file = fopen(encoderPath, "rb");
+	if (file) {
+		fclose(file);
+		return 1;
+	}
+	return 0;
+}

src/fs.h

@@ -0,0 +1,12 @@
+#include "common.h"
+#include "rds.h"
+#include "modulator.h"
+#include "lib.h"
+
+void encoder_saveToFile(RDSEncoder *emp);
+void encoder_loadFromFile(RDSEncoder *emp);
+int encoder_saved();
+
+void Modulator_saveToFile(RDSModulatorParameters *emp);
+void Modulator_loadFromFile(RDSModulatorParameters *emp);
+int modulatorsaved();

src/modulator.c

@@ -1,77 +1,5 @@
 #include "modulator.h"
-
+#include "fs.h"
-void Modulator_saveToFile(RDSModulatorParameters *emp) {
-	char modulatorPath[128];
-	snprintf(modulatorPath, sizeof(modulatorPath), "%s/.rdsModulator", getenv("HOME"));
-	FILE *file;
-	
-	RDSModulatorParameters tempMod;
-	RDSModulatorParametersFile tempFile;
-	memset(&tempFile, 0, sizeof(tempFile));
-	file = fopen(modulatorPath, "rb");
-	if (file != NULL) {
-		fread(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
-		fclose(file);
-	} else {
-		memset(&tempFile, 0, sizeof(RDSModulatorParametersFile));
-		tempFile.check = 160;
-		memcpy(&tempFile.params, emp, sizeof(RDSModulatorParameters));
-		tempFile.crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
-	}
-	memcpy(&tempMod, &tempFile.params, sizeof(RDSModulatorParameters));
-	
-	tempMod.level = emp->level;
-	tempMod.rdsgen = emp->rdsgen;
-
-	memcpy(&tempFile.params, &tempMod, sizeof(RDSModulatorParameters));
-	tempFile.check = 160;
-	tempFile.crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
-	
-	file = fopen(modulatorPath, "wb");
-	if (file == NULL) {
-		perror("Error opening file");
-		return;
-	}
-	fwrite(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
-	fclose(file);
-}
-
-void Modulator_loadFromFile(RDSModulatorParameters *emp) {
-	char modulatorPath[128];
-	snprintf(modulatorPath, sizeof(modulatorPath), "%s/.rdsModulator", getenv("HOME"));
-	FILE *file = fopen(modulatorPath, "rb");
-	if (file == NULL) {
-		perror("Error opening file");
-		return;
-	}
-	RDSModulatorParametersFile tempFile;
-	memset(&tempFile, 0, sizeof(tempFile));
-	fread(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
-	if (tempFile.check != 160) {
-		fprintf(stderr, "[RDSMODULATOR-FILE] Invalid file format\n");
-		fclose(file);
-		return;
-	}
-	uint16_t calculated_crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
-	if (calculated_crc != tempFile.crc) {
-		fprintf(stderr, "[RDSMODULATOR-FILE] CRC mismatch! Data may be corrupted\n");
-		fclose(file);
-		return;
-	}
-	memcpy(emp, &tempFile.params, sizeof(RDSModulatorParameters));
-	fclose(file);
-}
-
-int modulatorsaved() {
-	char encoderPath[128];
-	snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsModulator", getenv("HOME"));
-	FILE *file = fopen(encoderPath, "rb");
-	if (file) {
-		fclose(file);
-		return 1;
-	}
-	return 0;
-}
 
 void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc, uint8_t num_streams) {
 	memset(rdsMod, 0, sizeof(*rdsMod));
@@ -87,9 +15,7 @@ void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc, uint8_t num_strea
 		return;
 	}
 
-	for (uint8_t i = 0; i < num_streams; i++) {
+	for (uint8_t i = 0; i < num_streams; i++) rdsMod->data[i].symbol_shift = i * M_PI / 2.0f;
-		rdsMod->data[i].symbol_shift = i * M_PI / 2.0f;
-	}
 
 	if(modulatorsaved()) Modulator_loadFromFile(&rdsMod->params);
 	else Modulator_saveToFile(&rdsMod->params);

src/modulator.h

@@ -34,9 +34,6 @@ typedef struct {
 	uint8_t num_streams;
 } RDSModulator;
 
-void Modulator_saveToFile(RDSModulatorParameters *emp);
-void Modulator_loadFromFile(RDSModulatorParameters *emp);
-int modulatorsaved();
 void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc, uint8_t num_streams);
 void cleanup_rds_modulator(RDSModulator* rdsMod);
 float get_rds_sample(RDSModulator* rdsMod, uint8_t stream);

src/rds.c

@@ -1,6 +1,6 @@
 #include "common.h"
 #include "rds.h"
-#include "rds_fs.h"
+#include "fs.h"
 #include "modulator.h"
 #include "lib.h"
 #include <time.h>
@@ -138,26 +138,26 @@ static void get_rds_rt_group(RDSEncoder* enc, RDSGroup *group) {
 	enc->state[enc->program].rt_state++;
 	if (enc->state[enc->program].rt_state == segments) enc->state[enc->program].rt_state = 0;
 }
-static void get_rdsp_rtp_oda_group(RDSGroup *group) {
+inline static void get_rdsp_rtp_oda_group(RDSGroup *group) {
 	group->b |= 3 << 12;
 	group->b |= 11 << 1;
 	group->d = ODA_AID_RTPLUS;
 }
 
-static void get_rdsp_ertp_oda_group(RDSGroup *group) {
+inline static void get_rdsp_ertp_oda_group(RDSGroup *group) {
 	group->b |= 3 << 12;
 	group->b |= 13 << 1;
 	group->d = ODA_AID_ERTPLUS;
 }
 
-static void get_rdsp_ert_oda_group(RDSGroup *group) {
+inline static void get_rdsp_ert_oda_group(RDSGroup *group) {
 	group->b |= 3 << 12;
 	group->b |= 12 << 1;
 	group->c = 1; // UTF-8
 	group->d = ODA_AID_ERT;
 }
 
-static void get_rdsp_oda_af_oda_group(RDSGroup *group) {
+inline static void get_rdsp_oda_af_oda_group(RDSGroup *group) {
 	group->b |= 3 << 12;
 	group->b |= 7 << 1;
 	group->d = ODA_AID_ODAAF;
@@ -234,13 +234,13 @@ static void get_rds_lps_group(RDSEncoder* enc, RDSGroup *group) {
 	if (enc->state[enc->program].lps_state == enc->state[enc->program].lps_segments) enc->state[enc->program].lps_state = 0;
 }
 
-static void get_rds_ecc_group(RDSEncoder* enc, RDSGroup *group) {
+inline static void get_rds_ecc_group(RDSEncoder* enc, RDSGroup *group) {
 	group->b |= 1 << 12;
 	group->c = enc->state[enc->program].eon_linkage << 15;
 	group->c |= enc->data[enc->program].ecc;
 }
 
-static void get_rds_slcdata_group(RDSEncoder* enc, RDSGroup *group) {
+inline static void get_rds_slcdata_group(RDSEncoder* enc, RDSGroup *group) {
 	group->b |= 1 << 12;
 	group->c = enc->state[enc->program].eon_linkage << 15;
 	group->c |= 0x6000;
@@ -702,8 +702,8 @@ void set_rds_defaults(RDSEncoder* enc, uint8_t program) {
 void init_rds_encoder(RDSEncoder* enc) {
 	for(int i = 0; i < PROGRAMS; i++) set_rds_defaults(enc, i);
 
-	if (isFileSaved()) loadFromFile(enc);
+	if (encoder_saved()) encoder_loadFromFile(enc);
-	else saveToFile(enc);
+	else encoder_saveToFile(enc);
 
 	for(int i = 0; i < PROGRAMS; i++) reset_rds_state(enc, i);
 }

src/rds95.c

@@ -7,7 +7,7 @@
 #include "../inih/ini.h"
 
 #include "rds.h"
-#include "rds_fs.h"
+#include "fs.h"
 #include "modulator.h"
 #include "udp_server.h"
 #include "lib.h"
@@ -133,12 +133,11 @@ int main(int argc, char **argv) {
 	signal(SIGTERM, stop);
 
 	format.format = PA_SAMPLE_FLOAT32NE;
-	format.channels = config.num_streams;  // Use dynamic stream count
+	format.channels = config.num_streams;
 	format.rate = RDS_SAMPLE_RATE;
 
 	buffer.prebuf = 0;
-	buffer.tlength = NUM_MPX_FRAMES * config.num_streams;
+	buffer.tlength = buffer.maxlength = NUM_MPX_FRAMES * config.num_streams;
-	buffer.maxlength = NUM_MPX_FRAMES * config.num_streams;
 
 	rds_device = pa_simple_new(
 		NULL,
@@ -178,7 +177,6 @@ int main(int argc, char **argv) {
 
 	int pulse_error;
 
-	// Dynamically allocate buffer based on stream count
 	float *rds_buffer = (float*)malloc(NUM_MPX_FRAMES * config.num_streams * sizeof(float));
 	if (rds_buffer == NULL) {
 		fprintf(stderr, "Error: Could not allocate memory for RDS buffer\n");
@@ -202,7 +200,7 @@ exit:
 		pthread_join(udp_server_thread, NULL);
 	}
 
-	saveToFile(&rdsEncoder);
+	encoder_saveToFile(&rdsEncoder);
 	Modulator_saveToFile(&rdsModulator.params);
 
 	cleanup_rds_modulator(&rdsModulator);

src/rds_fs.h

@@ -1,7 +0,0 @@
-#include "common.h"
-#include "rds.h"
-#include "lib.h"
-
-void saveToFile(RDSEncoder *emp);
-void loadFromFile(RDSEncoder *emp);
-int isFileSaved();

src/udp_server.c

@@ -30,7 +30,7 @@ int open_udp_server(int port, RDSModulator* rds_mod) {
     poller.fd = sockfd;
     poller.events = POLLIN;
 
-    mod = rds_mod;  // Save mod pointer
+    mod = rds_mod;
 
     return 0;
 }
@@ -38,7 +38,7 @@ int open_udp_server(int port, RDSModulator* rds_mod) {
 void poll_udp_server() {
     static char buf[BUF_SIZE];
     static char cmd_buf[BUF_SIZE];
-    static char cmd_output[BUF_SIZE];  // Buffer to collect output from process_ascii_cmd
+    static char cmd_output[BUF_SIZE];
     ssize_t bytes_read;
 
     if (poll(&poller, 1, UDP_READ_TIMEOUT_MS) <= 0) return;
@@ -46,8 +46,7 @@ void poll_udp_server() {
 
     memset(buf, 0, BUF_SIZE);
     client_len = sizeof(client_addr);
-	bytes_read = recvfrom(sockfd, buf, BUF_SIZE - 1, 0,
+	bytes_read = recvfrom(sockfd, buf, BUF_SIZE - 1, 0, (struct sockaddr *)&client_addr, &client_len);
-                      (struct sockaddr *)&client_addr, &client_len);
     if (bytes_read <= 0) return;
 
     buf[bytes_read] = '\0';
@@ -60,17 +59,12 @@ void poll_udp_server() {
             strncpy(cmd_buf, token, BUF_SIZE - 1);
 
             memset(cmd_output, 0, BUF_SIZE);
-            // Pass cmd_output buffer to collect output from the command processor
             process_ascii_cmd(mod, cmd_buf, cmd_output);
 
-            // Send cmd_output back to client (even if empty, send it)
             size_t out_len = strlen(cmd_output);
             if (out_len > 0) {
-                ssize_t sent = sendto(sockfd, cmd_output, out_len, 0,
+                ssize_t sent = sendto(sockfd, cmd_output, out_len, 0, (struct sockaddr *)&client_addr, client_len);
-                                      (struct sockaddr *)&client_addr, client_len);
+                if (sent == -1) perror("sendto");
-                if (sent == -1) {
-                    perror("sendto");
-                }
             }
         }
         token = strtok(NULL, "\r\n");

src/udp_server.h

@@ -13,7 +13,5 @@
 #include "ascii_cmd.h"
 
 int open_udp_server(int port, RDSModulator *rds_mod);
-
 void poll_udp_server();
-
 void close_udp_server();